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[rebel-builders] tailcone inspection(rebel)

Posted: Sun Feb 19, 2012 10:44 am
by Wayne G. O'Shea
You missed poor cleaning job of the alum before spraying the underside by
the painting crew! :O)

Alum rivets are the proper rivets for the area. There are VERY few places
that Stainless rivets get used on the Rebel.. I doubt there is any issue
with 2, 3 or 4. Just aging paint on a poorly prepared surface Garry.

Wayne

----- Original Message -----
From: "wrightdg" <wrightdg@davincibb.net>
To: "rebel builders" <rebel-builders@dcsol.com>
Sent: Tuesday, May 02, 2006 8:03 PM
Subject: [rebel-builders] tailcone inspection(rebel)

I did a careful inspection of the tail of FOKM today. FOKM is relatively
recently back on wheels with a new tailwheel so I wanted to check out
the whole rear area for possible cracks etc.

The one thing I did find is that the paint is cracked on the under
surface joints between the last 3 wraps on the bottom. ie 2 joints. The
crack in the paint does not seem to be any more than 1-3 thousandths in
gap and there seems to be no visible damage to any skin. The cracks span
the width of the wraps but as the wrap goes vertical, disappear.
Ordinarily I would think this might be normal but want to get comments
from the group. It seems to me that such cracks could be caused by:

1. Inappropriate rivits - alum instead of SS???
2. Permanent deformation length wise of the wraps??
3. Elongation of the rivit holes resulting from wear??
4. Other.

Since there is a good deal of history behind the tailcone situation, I
am sure there are several comments forthcoming - for which I will be
eternally grateful.

Garry Wright
068R FOKM




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[rebel-builders] tailcone inspection(rebel)

Posted: Sun Feb 19, 2012 10:44 am
by Ian Donaldson
G'day Wayne

I had a number of rivets shear in that situation. I put it down to the fact
that I used the standard Murphy solid aluminum tail wheel spring!

Regards

Ian



: You missed poor cleaning job of the alum before spraying the underside by
: the painting crew! :O)
:
: Alum rivets are the proper rivets for the area. There are VERY few places
: that Stainless rivets get used on the Rebel.. I doubt there is any issue
: with 2, 3 or 4. Just aging paint on a poorly prepared surface Garry.




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[rebel-builders] tailcone inspection(rebel)

Posted: Sun Feb 19, 2012 10:44 am
by Wayne G. O'Shea
Quite possible Ian...but pretty sure Garry is just looking at paint adhesion
(or lack there of) over the seams. The underside of the cone generally gets
a lighter coat and shot at an angle since the painter doesn't want to lye
right under the airplane. This airplane was also flown for many years before
painting...so expect some oil may still have been in the seam area come
paint spray time...no matter how well they tried to clean it.

To be sure Garry...take a pick and try to rock the rivets. If any are
sheared the heads will fall off when you break the paint around them.

Wayne

----- Original Message -----
From: "Ian Donaldson" <allsure@bigpond.net.au>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, May 02, 2006 8:14 PM
Subject: Re: [rebel-builders] tailcone inspection(rebel)

G'day Wayne

I had a number of rivets shear in that situation. I put it down to the
fact
that I used the standard Murphy solid aluminum tail wheel spring!

Regards

Ian



: You missed poor cleaning job of the alum before spraying the underside
by
: the painting crew! :O)
:
: Alum rivets are the proper rivets for the area. There are VERY few
places
: that Stainless rivets get used on the Rebel.. I doubt there is any issue
: with 2, 3 or 4. Just aging paint on a poorly prepared surface Garry.




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[rebel-builders] tailcone inspection(rebel)

Posted: Sun Feb 19, 2012 10:44 am
by wrightdg
Thanks Wayne and Ian. I will carry on with it as is and keep a close eye
on it. My tailwheel is Scott 2000 (predecessor 24B?) with the fiberglass
spring so it has some give to it.

Garry

On Wed, 2006-03-05 at 10:14 +1000, Ian Donaldson wrote:
G'day Wayne

I had a number of rivets shear in that situation. I put it down to the fact
that I used the standard Murphy solid aluminum tail wheel spring!

Regards

Ian



: You missed poor cleaning job of the alum before spraying the underside by
: the painting crew! :O)
:
: Alum rivets are the proper rivets for the area. There are VERY few places
: that Stainless rivets get used on the Rebel.. I doubt there is any issue
: with 2, 3 or 4. Just aging paint on a poorly prepared surface Garry.




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